Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tinh doi » trinh doc, trinh do, tinh hoc
viec cam » viec cua, viec va, vien cac
viec lam » viec va
lang xa » lang ha, dang xay, lang van
sach ky » sac ky, sach y, sach ty
va tinh » may tinh
ky lang » ky nang, ky dang, ky tang
cua tre » cua te, cuu tre, dua tren
te sach » toc sach
xuc va » duc va, tuc va, luc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky lang xa hoi. nhieu ((viec cam) or (viec lam)) xuc va tinh doi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. nhieu ((viec cam) OR (viec lam)) xuc va tinh doi ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. nhieu ((viec cam) or (viec lam)) xuc va tinh doi ((cua tre) or (cua triet))*.